Can you verify that the voltage at pin 3 is varying when you turn the potentiometer knob?
That's the first thing I checked. Yes. 0V to 5V. Meter connected Pin 3 to ground. Fluke 175 meter.
Can you verify that the voltage at pin 3 is varying when you turn the potentiometer knob?
That's the first thing I checked. Yes. 0V to 5V. Meter connected Pin 3 to ground. Fluke 175 meter.